Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688731 | Piezoelectric thin film element, ink jet recording head using such a piezoelectric thin film element, and their manufacture methods | Satoru Fujii, Isaku Kanno, Ryoichi Takayama, Osamu Watanabe, Shigeyuki Takao | 2004-02-10 |